I've connected a Noxon_2_audio to a Qnap TS-209. I do not apply ID tags, because I prefer to select folders & files. Unfortunately, the Noxon cannot identify the filenames of about 95% of my ~450 wav files. Just "unknown" and the k-out-of-m number are displayed. (Btw, the music sounds brilliant.) The filenames are of type ABC-123-A_2008-01-23.wav -- My questions: